Answer:
A choir director collected data about the number of members in the choir for the last 20 years. The mean number of choir members is 52.68 with a standard deviation of 2.35. This year. The choir has 46 members. The choir director wants to find and interpret the z-score for 46 choir members.
Complete the statements about the z-score and its interpretation.
The z-score for 46 choir members is about
✔ –2.843
, which means that the number of choir members this year is
✔ 2.843
standard deviations
✔ below
the mean number of choir members. Therefore, there are
✔ fewer
choir members this year than the average.
Step-by-step explanation:
